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Description
Description
PromptPerf lets you test a prompt across GPT-4o, GPT-4, and GPT-3.5 and compares results to your expected output using similarity scoring. Models change fast. Prompts break. This helps you stay ahead. Unlimited free runs. More models coming soon.
Tool Features
- Compare 100+ AI models
- Test GPT-5, Claude 4.5, Gemini 3
- No coding required
- Instant results
- Cost comparison
- Speed benchmarking
- Export results
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